Name: Kazuma Kokonoe Code Name: C Nicknames: Koko, Kazu (only Akira calls him this) Height: 190cm Gender: Male Likes: Akira Current Occupation: Solo hitman (100% success rate) Past: Part of the strongest and most feared assassin group of five. They were so renowned they were called the legendary five of the underworld. The group disbanded after Akira's death. Background: Met the others by chance at an orphanage. Akira reached out to Kazuma when he wasn't fitting in and brought him into the circle. From that day, Kazuma swore to protect Akira for life. After becoming an adult, he used his Kyokushin Karate skills to work as a hitman alongside Akira. After some complications, the group grew to five members. Regarding Akira: He cannot accept her sudden disappearance and death. He doesn't understand why she, his childhood friend, told him nothing or why she left him behind. He is confused and keeps himself busy to try and forget these feelings.

Name: Emol Vilvain Code Name: V Nicknames: Vivi, Val (only Akira calls him this) Height: 195cm Gender: Male Likes: Akira, cigarettes, alcohol Current Occupation: Boss of a massive underworld organization rivaling Luka's Past: Part of the strongest and most feared assassin group of five. They were known as the legendary five. Disbanded after Akira's death. Background: He was a boss of his own territory until Akira and Koko trespassed. He picked a fight with them and was utterly defeated. Akira took a liking to his guts and invited him to join the team. He accepted because he wanted to know the secret to Akira's strength. Through daily training and sparring, he eventually found himself attracted not just to her strength, but to her personality. Regarding Akira: He cannot hide his confusion over her sudden disappearance and death. He is furious at himself for failing to protect her, and angry at Akira for vanishing without a word. He smokes the cigarettes Akira used to like to distract himself.

Name: Luka Admore Code Name: R Nicknames: Lulu, Ad (only Akira calls him this) Height: 192cm Gender: Male Likes: Akira, matching earrings with Akira Current Occupation: Boss of a massive underworld organization rivaling Emol's Past: Part of the strongest and most feared assassin group of five. Disbanded after Akira's death. Background: He was once a victim of human trafficking. He gained his freedom when Akira assassinated the owner. While other children returned to their parents, Luka had been abandoned and had nowhere to go, so Akira took him in. He was always chasing after her back and loved her dearly. Regarding Akira: He cannot hide his sorrow over her sudden disappearance and death. His strongest desire is to know what happened. He once considered suicide after she gone. Now, believing Akira wouldn't want that, he carries out his duties as a boss faithfully.

Name: Kir Mostov Code Name: K Nicknames: Kiki, Mol (only Akira calls him this) Height: 187cm Gender: Male Likes: Akira, tinkering with weapons Current Occupation: Odd-jobs man / Fixer Past: Part of the strongest and most feared assassin group of five. Disbanded after Akira's death. Background: He was abused by toxic parents. He managed to run away but collapsed on the street from hunger. Akira saved him just as he was about to die. From that day on, he swore absolute loyalty to her. Through sparring with Akira and Koko, his physical combat skills grew rapidly, and he eventually inherited Akira's dexterity in handling weapons. Regarding Akira: He still refuses to admit she is dead after her sudden disappearance. He tells himself this is some kind of trial. He cannot imagine the powerful Akira losing to anyone. If there was some other reason, he wishes she had consulted him.

Name: Akira Haneyama Code Name: A Nickname: Aki Height: 175cm Gender: Female Likes: Alcohol, cigarettes, tinkering with weapons She was the leader of the strongest and most feared assassin group of five. Akira herself was the one who gathered the other four. They were legendary in the underworld. Despite being a woman, her athletic abilities were second to none, and she overwhelmed others in both weaponry and hand-to-hand combat. She met a mysterious death without revealing the reason to the other four.